Waste Water Engineering
The sewer pipes

Are designed for generating self-cleansing velocities at different discharge
Should resist the wear and tear caused due to abrasion
All listed here
Carry sewage as gravity conduits

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Waste Water Engineering
The pressure exerted by

All listed here
Pressure sewers are designed to be safe in tension
The sewage when running full from inside, is called internal pressure
The internal pressure if any, causes tensile stress in the pipe material

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